As of 30 Sep 2025, 921 institutional investors reported holding 382,541,594 shares of ISHARES TR - MBS ETF (MBB).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 3,419,903 | $325,660,758 | -$6,678,857 | $95.22 | 71 |
| 2025 Q3 | 382,541,594 | $36,393,909,743 | +$1,805,503,922 | $95.15 | 921 |
| 2025 Q2 | 366,181,911 | $34,368,798,470 | +$2,370,975,966 | $93.89 | 930 |
| 2025 Q1 | 340,241,068 | $31,901,350,544 | -$1,314,503,672 | $93.78 | 919 |
| 2024 Q4 | 354,875,740 | $32,541,788,949 | +$2,893,770,367 | $91.68 | 906 |
| 2024 Q3 | 323,197,712 | $30,912,769,782 | +$1,537,213,893 | $95.81 | 862 |
| 2024 Q2 | 306,180,200 | $28,115,051,066 | +$1,672,329,786 | $91.81 | 820 |
| 2024 Q1 | 287,665,363 | $26,583,347,692 | +$236,785,387 | $92.42 | 830 |
| 2023 Q4 | 223,524 | $21,029,025 | +$9,778,276 | $94.08 | 9 |
| 2023 Q3 | 270,569,913 | $24,060,840,519 | -$17,495,510 | $88.80 | 750 |
| 2023 Q2 | 271,541,125 | $25,336,995,114 | +$1,838,905,514 | $93.26 | 764 |
| 2023 Q1 | 252,007,381 | $23,879,505,042 | +$1,880,019,807 | $94.73 | 729 |
| 2022 Q4 | 229,700,633 | $21,310,579,062 | +$3,185,467,132 | $92.75 | 737 |
| 2022 Q3 | 196,080,894 | $17,971,276,333 | -$409,800,191 | $91.58 | 664 |
| 2022 Q2 | 201,777,199 | $19,685,391,326 | -$170,726,061 | $97.49 | 682 |
| 2022 Q1 | 201,014,542 | $20,487,734,193 | -$1,161,476,015 | $101.87 | 694 |
| 2021 Q4 | 214,314,588 | $23,021,214,011 | +$722,018,647 | $107.43 | 706 |
| 2021 Q3 | 206,044,954 | $22,281,367,055 | -$667,277,824 | $108.14 | 674 |
| 2021 Q2 | 213,484,080 | $23,104,661,214 | +$69,470,896 | $108.23 | 664 |
| 2021 Q1 | 212,481,155 | $23,035,745,148 | +$1,210,975,997 | $108.42 | 686 |
| 2020 Q4 | 200,935,956 | $22,129,920,045 | +$3,196,162,984 | $110.13 | 676 |
| 2020 Q3 | 172,409,811 | $19,031,312,926 | +$1,238,544,500 | $110.40 | 560 |
| 2020 Q2 | 161,563,922 | $17,872,823,517 | -$658,197,362 | $110.70 | 534 |
| 2020 Q1 | 166,062,792 | $18,334,731,969 | -$965,718,757 | $110.44 | 531 |
| 2019 Q4 | 176,210,734 | $19,039,999,390 | +$2,342,859,396 | $108.06 | 498 |
| 2019 Q3 | 153,194,886 | $16,592,054,697 | +$1,310,996,284 | $108.30 | 423 |
| 2019 Q2 | 142,366,911 | $15,319,315,956 | +$896,162,472 | $107.60 | 400 |
| 2019 Q1 | 133,988,669 | $14,254,618,920 | +$3,065,742,837 | $106.36 | 381 |
| 2018 Q4 | 104,428,275 | $10,930,706,694 | -$17,724,192 | $104.65 | 348 |
| 2018 Q3 | 101,631,882 | $10,501,495,152 | +$239,942,082 | $103.33 | 311 |
| 2018 Q2 | 101,919,443 | $10,605,441,948 | +$204,796,275 | $104.18 | 311 |
| 2018 Q1 | 101,947,974 | $10,666,211,038 | +$581,571,778 | $104.64 | 318 |
| 2017 Q4 | 96,473,058 | $10,282,661,469 | +$507,267,588 | $106.59 | 328 |
| 2017 Q3 | 91,175,638 | $9,764,555,755 | +$3,301,702,153 | $107.10 | 288 |
| 2017 Q2 | 60,399,528 | $6,448,001,238 | -$827,752,368 | $106.76 | 287 |
| 2017 Q1 | 68,010,123 | $7,246,103,484 | +$477,418,270 | $106.55 | 281 |
| 2016 Q4 | 64,507,931 | $6,862,431,457 | -$562,294,949 | $106.34 | 293 |
| 2016 Q3 | 69,507,304 | $7,645,611,898 | +$744,948,553 | $110.09 | 277 |
| 2016 Q2 | 62,897,316 | $6,916,304,614 | +$125,049,149 | $109.97 | 268 |
| 2016 Q1 | 61,639,911 | $6,746,564,062 | +$62,606,212 | $109.48 | 270 |
| 2015 Q4 | 61,131,910 | $6,584,555,122 | +$188,500,352 | $107.70 | 258 |
| 2015 Q3 | 58,737,903 | $6,438,934,749 | +$1,851,510,032 | $109.62 | 242 |
| 2015 Q2 | 55,508,471 | $6,029,655,258 | +$67,579,863 | $108.62 | 238 |
| 2015 Q1 | 54,914,953 | $6,060,155,264 | +$576,349,746 | $110.34 | 224 |
| 2014 Q4 | 49,828,046 | $5,445,932,511 | +$102,605,233 | $109.32 | 220 |
| 2014 Q3 | 48,481,141 | $5,231,181,812 | +$386,014,473 | $108.11 | 204 |
| 2014 Q2 | 44,901,988 | $4,856,815,179 | +$630,748,604 | $108.22 | 194 |
| 2014 Q1 | 39,089,115 | $4,148,660,029 | +$15,187,288 | $106.13 | 197 |